20827218

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 42771456

約数和(自身を除く): 21944238

約数列:

[1, 2, 3, 6, 67, 103, 134, 201, 206, 309, 402, 503, 618, 1006, 1509, 3018, 6901, 13802, 20703, 33701, 41406, 51809, 67402, 101103, 103618, 155427, 202206, 310854, 3471203, 6942406, 10413609, 20827218]

約数ペア:

[(1, 20827218), (2, 10413609), (3, 6942406), (6, 3471203), (67, 310854), (103, 202206), (134, 155427), (201, 103618), (206, 101103), (309, 67402), (402, 51809), (503, 41406), (618, 33701), (1006, 20703), (1509, 13802), (3018, 6901)]